diff --git a/vpd-manager/manager.hpp b/vpd-manager/manager.hpp
index e542103..e04250c 100644
--- a/vpd-manager/manager.hpp
+++ b/vpd-manager/manager.hpp
@@ -3,6 +3,8 @@
 #include "types.hpp"
 
 #include <com/ibm/VPD/Manager/server.hpp>
+#include <map>
+#include <nlohmann/json.hpp>
 #include <sdbusplus/server.hpp>
 
 namespace sdbusplus
@@ -117,11 +119,22 @@
     void run();
 
   private:
+    /** @brief process the given JSON file
+     */
+    void processJSON();
+
     /** @brief Persistent sdbusplus DBus bus connection. */
     sdbusplus::bus::bus _bus;
 
     /** @brief sdbusplus org.freedesktop.DBus.ObjectManager reference. */
     sdbusplus::server::manager::manager _manager;
+
+    // file to store parsed json
+    nlohmann::json jsonFile;
+
+    // map to hold mapping to inventory path to vpd file path
+    // we need as map here as it is in reverse order to that of json
+    inventory::FrusMap frus;
 };
 
 } // namespace manager